The outline of rooftops and chimneys ________ against the pale sky.
A、pulledoutD
A离开B注意、留神C提供D显眼、突出
When _______, water will be turned into steam.
Thatproposalisessentiallyirrelevant________theissueathand.
Thestudentsarerequiredto________themainideasofthearticleintheirownwords.
When_______,waterwillbeturnedintosteam.
This is the most beautiful village _______ I visited these years.
